TDAC JOBS IN NAVY VESSEL (RM.0807)

Amount

TDAC (Russian) - SERVICE COST

Undertake the following: - 1. 10. 1 Check the rotor run out in the thrust bearing.

1. 10. 2 Open all units of governing and protection units and remove the sludge. Undertake overhauling/ tuning of all hydraulic and electric control components (local/ remote). Undertake trials as per OEM manual, carryout tuning. Rerpair and renew as necessary.

1. 10. 3 Check operation of QCV (Quick Closing Valve). Overhaul the assembly, carryout checks as per OEM manual. Repair/ renew parts/ sub-assemblies as required.

1. 10. 4 Check operation of GSR (Gland Steam Regulator). Overhaul the assembly, carryout checks as per OEM manual. Repair/ renew parts/ sub-assemblies as required.

1. 10. 5 Carryout inspection of steam chest nozzle control valve and nozzles for clogging/ clear from obstruction. Overhaul/ repair and renew as per OEM manual, as necessary.

1. 10. 6 Undertake chemical/ mechanical cleaning of condenser, lub oil cooler and air ejector. Carryout inspection/ thickness gauging of body. Undertake renewal of doors/ end covers. Repalce zinc anodes.

1. 10. 7 Overhaul complete assembly of feed controller and undertake tuning, as per OEM manual. Repair/ renew as necessary.

TDAC - SERVICE COST

Undertake 5000 hourly routines on turbine. Repair/ renew spares and sub-assemblies as necessary. 1.11.1 Check the conditions of the protectors of the condenser, oil cooler and ejector. replace protectors in case the wear of their working section is 50%. (total 4 plants).

1.11.2 Open and clean the oil filters.

1.11.3. Dismantle and inspect the differential pressure governor of the starting oil pump. in case of great amount of sludge in the governor, open the cut-off pilot. if necessary, open and clean sludge from all components of the governor unit and those of the protector unit.

1.11.4. Check the rotor wear down in the thrust bearing.

1.11.5. When the service life (10000 to 12000 hours) is over, replace the following components:- 1.11.5.1 Pressure relay, type д21k1, Qty - 24 each 1.11.5.2. Electric motors, type aдh-100 and дm160mb4 , Qty -04 1.11.5.3 Electric magnet, type эm33-71311 , Qty - 12 each 1.11.5.4. Voltmeter, type m1618t, Qty -10 each 1.11.5.5. Micro switch, type д-311 , Qty - 12 each

1.11.6 Carry out calibration of feed regulator and complete flushing through of the system.

1.11.8. Carryout mechanical cleaning of water path in compressor oil cooler and MAK30C compressor condenser.

1.11.9. Application of Belzona 1392 coating on tube sheet of all TDAC condenser.

TDAC - SERVICE COST

Undertake 3000 hourly/ Annual routines on turbine. Repair/ renew spares and sub-assemblies as necessary. 1.11.10. Carry out rotor wear down in the thrust bearing on 04 TDAC plants

1.11.12. Carry out maintenance works on compressor oil pumps in accordance with service and maintenance manual in case of abnormality during last operation.

1.11.13. Carry out inspection of compressor gland sealing in accordance with description 1.521.001 to. [measure the protrusion of the metal bushes and compare with the last reading. in case reducing by 2 mm, proceed further for inspection of graphite ring thickness. check seal (graphite ring) thickness, if less than 8 mm then replace it].

1.11.14. Carry out checking and calibration tests of the safety valves.

1.11.15. Carry out maintenance works on compressor oil pumps in accordance with service and maintenance manual.

1.11.16. Carry out maintenance routine on electric starter, bypass valve electric drive and electric drive on evaporator gate valve in accordance with its service and maintenance documents.

1.11.17. Disassemble the compressor in accordance with description 1.521.001to. routine incase of running hours close to 10000 on all 04 TDAC plants.

1.11.18. Replace the thrust pads, thrust bearing shell, radial bearing shell in the compressor.

1.11.19. carry out calibration checks on all pressure and vacuum gauges, safety valve on MAK 30C unit.

1.11.20. Carryout in-situ cleaning of condenser adn evaporator.

Heat Exchangers / Coolers - SERVICE COST Insitu Mechanical cleaning of HEs/ Coolers (Lub oil coolers/ Condenser/ Fresh water coolers/ Chillers) Job involves:- 1.40.1 Degutting and regutting of system pipes and associated system pipes. 1.40.2 Chemical cleaning of coolers 1.40.3 Pressure testing of HEs. 1.40.4 Repairs to leaking tubes 1.40.5 Replacement of drain plug/cock where fitted (as per sample Mat-SS High Tensile) 1.40.6 Replacement of instrumentation adaptor/cocks where fitted (as per sample Mat-High Tensile SS) 1.40.7 Renewal of Fastners: Mat : Al Bronze 1.40.8 Renewal of gaskets Mat : Rubber Nitrile S/W resistant

1.40.10 TDAC chiller; Shell and Tube type, Size- 7m X 1.5 m X 1.5 m

1.40.12 TDAC plant turbine condensor insitu cleaning . Shell and Tube type, Size- 3m X 1.5m X 1.5m

1.40.13.TDAC plant referigerant condensor insitu cleaning. Shell and Tube type, Size- 5m X 0.5m X 0.5m

Pumps - SERVICE COST Overhauling of Pump. Job involves :- 1.45.1 Removal of pumps and degutting of associated system. 1.45.2 Overhauling of Pump, priming unit and motor (for monoblock pump), replacement of worn out components as per opening up inspection. Pressure testing of casing and metal build up if required 1.45.3 Renewal of Mechanical seal 1.45.4 Pressure/ leak test of pump post boxing up. Painting of pump body and foundation with anti corrosive paint primer and top coat. 1.45.5 Fitment of Pump, reftitting associated systems. Renewal of all fasteners (Mat-Al Bronze) and gaskets to be undertaken. 1.46.6 Decoupling and couping with motor/engine and final alignment. 1.46.7 Inspection, renewal of damaged pump stool / foundation. 1.46.8 Inspection, renewal of damaged shock mounts (mounts supplied by yard/Navy). 1.46.9 Carry out performance trial of the pump including parameter checks (suction/ discharge pressure), vibration trials, insulation / SPM checks on motor, motor starting running current checks etc assess for satisfactory performance and defects if any to be rectified.

1.45.6.Condensate pump, HUB-25/40, Centrifugal , monoblock

1.45.7.TDAC plant sea water pump, HUB-630/15, Centrifugal , monoblcok

1.45.8 TDAC chilled water pump, HUB-630/30, Centrifugal , monoblock

1.45.12. Overhauling of TDAC turbine priming lub oil pump. Type - Gear pump

1.45.13. Overhauling of TDAC compressor main oil pump. Type - Screw pump

1.45.14. Overhauling of TDAC compressor emergency oil pump. Type - Screw pump

Cladding - SERVICE COST

1.42.5 Cladding over Steam auxiliary machineries 1.42.5.1TDAC (Total 4 Nos)

TDAC - SERVICE COST

Turbine oil filling line to be modified and new strainer / filter body to be inserted in line to avoid oil contamination. BoM will be supplied by vendor.SoW are as follows:- 1.107.1 Manufacturing of flanged pipes 1.107.2 Fitment of isolating Valves Remarks;- BoM (a) Isolating Valves (SD Straight Way, 32 mm), (b) Lub oil filter housing & filter element

Boilers and TD Auxilaries - SERVICE COST

Renewal /Repair of Outer Insulation materials and Cement lagging TD Auxilliaries (TDAC)

TDAC (Russian) - MATERIAL COST

Undertake the following: - 1. 10. 1 Check the rotor run out in the thrust bearing.

1. 10. 2 Open all units of governing and protection units and remove the sludge. Undertake overhauling/ tuning of all hydraulic and electric control components (local/ remote). Undertake trials as per OEM manual, carryout tuning. Rerpair and renew as necessary.

1. 10. 3 Check operation of QCV (Quick Closing Valve). Overhaul the assembly, carryout checks as per OEM manual. Repair/ renew parts/ sub-assemblies as required.

1. 10. 4 Check operation of GSR (Gland Steam Regulator). Overhaul the assembly, carryout checks as per OEM manual. Repair/ renew parts/ sub-assemblies as required.

1. 10. 5 Carryout inspection of steam chest nozzle control valve and nozzles for clogging/ clear from obstruction. Overhaul/ repair and renew as per OEM manual, as necessary.

1. 10. 6 Undertake chemical/ mechanical cleaning of condenser, lub oil cooler and air ejector. Carryout inspection/ thickness gauging of body. Undertake renewal of doors/ end covers. Repalce zinc anodes.

1. 10. 7 Overhaul complete assembly of feed controller and undertake tuning, as per OEM manual. Repair/ renew as necessary.

TDAC - MATERIAL COST

Undertake 5000 hourly routines on turbine. Repair/ renew spares and sub-assemblies as necessary. 1.11.1 Check the conditions of the protectors of the condenser, oil cooler and ejector. replace protectors in case the wear of their working section is 50%. (total 4 plants).

1.11.2 Open and clean the oil filters.

1.11.3. Dismantle and inspect the differential pressure governor of the starting oil pump. in case of great amount of sludge in the governor, open the cut-off pilot. if necessary, open and clean sludge from all components of the governor unit and those of the protector unit.

1.11.4. Check the rotor wear down in the thrust bearing.

1.11.5. When the service life (10000 to 12000 hours) is over, replace the following components:- 1.11.5.1 Pressure relay, type д21k1, Qty - 24 each 1.11.5.2. Electric motors, type aдh-100 and дm160mb4 , Qty -04 1.11.5.3 Electric magnet, type эm33-71311 , Qty - 12 each 1.11.5.4. Voltmeter, type m1618t, Qty -10 each 1.11.5.5. Micro switch, type д-311 , Qty - 12 each

1.11.6 Carry out calibration of feed regulator and complete flushing through of the system.

1.11.8. Carryout mechanical cleaning of water path in compressor oil cooler and MAK30C compressor condenser.

1.11.9. Application of Belzona 1392 coating on tube sheet of all TDAC condenser.

TDAC - MATERIAL COST

Undertake 3000 hourly/ Annual routines on turbine. Repair/ renew spares and sub-assemblies as necessary. 1.11.10. Carry out rotor wear down in the thrust bearing on 04 TDAC plants

1.11.12. Carry out maintenance works on compressor oil pumps in accordance with service and maintenance manual in case of abnormality during last operation.

1.11.13. Carry out inspection of compressor gland sealing in accordance with description 1.521.001 to. [measure the protrusion of the metal bushes and compare with the last reading. in case reducing by 2 mm, proceed further for inspection of graphite ring thickness. check seal (graphite ring) thickness, if less than 8 mm then replace it].

1.11.14. Carry out checking and calibration tests of the safety valves.

1.11.15. Carry out maintenance works on compressor oil pumps in accordance with service and maintenance manual.

1.11.16. Carry out maintenance routine on electric starter, bypass valve electric drive and electric drive on evaporator gate valve in accordance with its service and maintenance documents.

1.11.17. Disassemble the compressor in accordance with description 1.521.001to. routine incase of running hours close to 10000 on all 04 TDAC plants.

1.11.18. Replace the thrust pads, thrust bearing shell, radial bearing shell in the compressor.

1.11.19. carry out calibration checks on all pressure and vacuum gauges, safety valve on MAK 30C unit.

1.11.20. Carryout in-situ cleaning of condenser adn evaporator.

Heat Exchangers / Coolers - MATERIAL COST Insitu Mechanical cleaning of HEs/ Coolers (Lub oil coolers/ Condenser/ Fresh water coolers/ Chillers) Job involves:- 1.40.1 Degutting and regutting of system pipes and associated system pipes. 1.40.2 Chemical cleaning of coolers 1.40.3 Pressure testing of HEs. 1.40.4 Repairs to leaking tubes 1.40.5 Replacement of drain plug/cock where fitted (as per sample Mat-SS High Tensile) 1.40.6 Replacement of instrumentation adaptor/cocks where fitted (as per sample Mat-High Tensile SS) 1.40.7 Renewal of Fastners: Mat : Al Bronze 1.40.8 Renewal of gaskets Mat : Rubber Nitrile S/W resistant

1.40.10 TDAC chiller; Shell and Tube type, Size- 7m X 1.5 m X 1.5 m

1.40.12 TDAC plant turbine condensor insitu cleaning . Shell and Tube type, Size- 3m X 1.5m X 1.5m

1.40.13.TDAC plant referigerant condensor insitu cleaning. Shell and Tube type, Size- 5m X 0.5m X 0.5m

Pumps - MATERIAL COST Overhauling of Pump. Job involves :- 1.45.1 Removal of pumps and degutting of associated system. 1.45.2 Overhauling of Pump, priming unit and motor (for monoblock pump), replacement of worn out components as per opening up inspection. Pressure testing of casing and metal build up if required 1.45.3 Renewal of Mechanical seal 1.45.4 Pressure/ leak test of pump post boxing up. Painting of pump body and foundation with anti corrosive paint primer and top coat. 1.45.5 Fitment of Pump, reftitting associated systems. Renewal of all fasteners (Mat-Al Bronze) and gaskets to be undertaken. 1.46.6 Decoupling and couping with motor/engine and final alignment. 1.46.7 Inspection, renewal of damaged pump stool / foundation. 1.46.8 Inspection, renewal of damaged shock mounts (mounts supplied by yard/Navy). 1.46.9 Carry out performance trial of the pump including parameter checks (suction/ discharge pressure), vibration trials, insulation / SPM checks on motor, motor starting running current checks etc assess for satisfactory performance and defects if any to be rectified.

1.45.6.Condensate pump, HUB-25/40, Centrifugal , monoblock

1.45.7.TDAC plant sea water pump, HUB-630/15, Centrifugal , monoblcok

1.45.8 TDAC chilled water pump, HUB-630/30, Centrifugal , monoblock

1.45.12. Overhauling of TDAC turbine priming lub oil pump. Type - Gear pump

1.45.13. Overhauling of TDAC compressor main oil pump. Type - Screw pump

1.45.14. Overhauling of TDAC compressor emergency oil pump. Type - Screw pump

Cladding - MATERIAL COST

1.42.5 Cladding over Steam auxiliary machineries 1.42.5.1TDAC (Total 4 Nos)

TDAC - MATERIAL COST

Turbine oil filling line to be modified and new strainer / filter body to be inserted in line to avoid oil contamination. BoM will be supplied by vendor.SoW are as follows:- 1.107.1 Manufacturing of flanged pipes 1.107.2 Fitment of isolating Valves Remarks;- BoM (a) Isolating Valves (SD Straight Way, 32 mm), (b) Lub oil filter housing & filter element

Boilers and TD Auxilaries - MATERIAL COST

Renewal /Repair of Outer Insulation materials and Cement lagging TD Auxilliaries (TDAC)